Devices with MAC addresses that start with 28-D9-97 were manufactured by Yuduan Mobile Co., Ltd.

Device Manufacturer
Yuduan Mobile Co., Ltd.
Manufacturer Location
Room 401 No 84 Lane 887 Zuchongzhi Rd.
Shanghai 201203
Estimated Devices using 28-D9-97
16,256,250
Estimated Total Devices From Mfg
16,256,250
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